Branch Network
Isabella Bank Locations & Branches Mount Pleasant, Michigan
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Isabella Bank operates 31 branches from its headquarters in Mount Pleasant, MI, .
Isabella Bank branch network
All 31 branches are in MICHIGAN, across 21 cities. Mount Pleasant, MI has the most of its branches, 5. Its largest office by deposits is its main office in Mount Pleasant, MI, with $216.1M (11.7% of its branch deposits). It had the same number of branches on June 30, 2025.
Isabella Bank at a glance
Its CET1 capital ratio was 11.49% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $2.17B
- CET1 ratio, Q2 2026
- 11.49%
- Deposit insurance
- FDIC
- Regulator
- Federal Reserve
- Established
- 1903
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Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Mount Pleasant, MI (5 branches) | 1 of 5 | 51.5% | $614.7M |
| State: MI (31 branches) | 17 of 95 | 0.6% | $1.85B |
Ranked by total assets among banks headquartered in the state: Largest banks in Michigan.
Share by county and metro area
Isabella Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Isabella, MI (10 branches) | 1 of 5 | 55.3% | $770.9M | $1.40B |
| Mecosta, MI (5 branches) | 1 of 8 | 34.0% | $249.0M | $731.7M |
| Montcalm, MI (3 branches) | 2 of 7 | 21.2% | $202.6M | $956.8M |
| Saginaw, MI (5 branches) | 7 of 10 | 7.4% | $190.7M | $2.59B |
| Clare, MI (3 branches) | 1 of 3 | 40.1% | $173.1M | $431.3M |
| Midland, MI (2 branches) | 4 of 7 | 11.6% | $133.3M | $1.15B |
| Gratiot, MI (2 branches) | 3 of 4 | 17.2% | $125.7M | $730.9M |
| Bay, MI (1 branch) | 7 of 7 | — | $0 | $1.30B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Mount Pleasant, MI (10 branches) | 1 of 5 | 55.3% | $770.9M | $1.40B |
| Big Rapids, MI (5 branches) | 1 of 8 | 34.0% | $249.0M | $731.7M |
| Grand Rapids-Kentwood, MI (3 branches) | 17 of 27 | 0.6% | $202.6M | $33.10B |
| Saginaw, MI (5 branches) | 7 of 10 | 7.4% | $190.7M | $2.59B |
| Midland, MI (2 branches) | 4 of 7 | 11.6% | $133.3M | $1.15B |
| Alma, MI (2 branches) | 3 of 4 | 17.2% | $125.7M | $730.9M |
| Bay City, MI (1 branch) | 7 of 7 | — | $0 | $1.30B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Isabella Bank (main office) | Mount Pleasant, MI | 48858 | $216.1M |
| Pickard Street Branch | Mount Pleasant, MI | 48858 | $184.6M |
| South Mission Street Branch | Mount Pleasant, MI | 48858 | $125.6M |
| Clare Branch | Clare, MI | 48617 | $108.5M |
| Greenville Branch | Greenville, MI | 48838 | $108.3M |
| Canadian Lakes Branch | Canadian Lakes, MI | 49346 | $97.1M |
| West High Street Branch | Mount Pleasant, MI | 48858 | $88.4M |
| Breckenridge Branch | Breckenridge, MI | 48615 | $81.8M |
| Midland East Branch | Midland, MI | 48640 | $75.7M |
| Farwell Branch | Farwell, MI | 48622 | $64.7M |
| Big Rapids Branch | Big Rapids, MI | 49307 | $62.1M |
| Hemlock Office | Hemlock, MI | 48626 | $58.7M |
| Midland Branch | Midland, MI | 48640 | $57.6M |
| Six Lakes Branch | Six Lakes, MI | 48886 | $52.7M |
| Remus Branch | Remus, MI | 49340 | $52.1M |
| Shepherd Branch | Shepherd, MI | 48883 | $46.4M |
| Freeland Branch | Freeland, MI | 48623 | $45.4M |
| Ithaca Branch | Ithaca, MI | 48847 | $43.9M |
| Stanton Branch | Stanton, MI | 48888 | $41.6M |
| Weidman Branch | Weidman, MI | 48893 | $41.4M |
| Saginaw Bay Road Branch | Saginaw, MI | 48604 | $33.9M |
| Beal City Branch | Weidman, MI | 48893 | $31.4M |
| Blanchard Branch | Blanchard, MI | 49310 | $29.8M |
| Barryton Branch | Barryton, MI | 49305 | $28.4M |
| Saginaw Downtown Branch | Saginaw, MI | 48607 | $26.6M |
| Saginaw State Street Branch | Saginaw, MI | 48603 | $26.1M |
| Big Rapids East Branch | Big Rapids, MI | 49307 | $9.3M |
| Lake Isabella Branch | Lake Isabella, MI | 48893 | $7.2M |
| Clare North Branch | Clare, MI | 48617 | $0 |
| Bay City Loan and Wealth Branch | Bay City, MI | 48708 | $0 |
| Drive-In Branch | Mount Pleasant, MI | 48858 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 1005) · FFIEC NIC profile (RSSD 74140)